This study was done to investigate the effect of shadow educations and parenting styles and mathematical anxiety among high school students in Mazandaran province. The statistical community includes 48545 high school students. 380 students were chosen as samples, due to the community numbers in Morgan table, but 500 ones were selected as samples for certainty to the community and coordination to other different groups, by random classified sampling method. The research was a kind of descriptive and Diand Bamrin,s Parenting style Inventory(1973), mathematical anxiety (Shokrani, 2002) and shadow education questionnaires were applied to collect the data. The validity of questionnaires confirmed by educational experts and reliability calculated:./72,./92,./72. For data analysis, the independent T, one way and two ways variance Analysis were used by SPSS software. The results indicated that students who applied shadow education experienced less mathematical anxiety and the effect of parenting style on math anxiety was meaningful.

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